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Mitsubishi FR-A7NC Instruction Manual

Inverter plug-in option cc-link communication function
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INVERTER
Plug-in option
FR-A7NC
INSTRUCTION MANUAL
communication function
PRE-OPERATION INSTRUCTIONS
DETAILS OF INPUT AND OUTPUT SIGNALS
PROGRAMMING EXAMPLES
HOW TO CHECK FOR ERROR USING THE LEDS
INSTALLATION
WIRING
INVERTER SETTING
FUNCTION OVERVIEW
I/O SIGNAL LIST
1
2
3
4
5
6
7
8
9

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Summary of Contents for Mitsubishi FR-A7NC

  • Page 1 INVERTER PRE-OPERATION INSTRUCTIONS Plug-in option FR-A7NC INSTALLATION INSTRUCTION MANUAL WIRING INVERTER SETTING communication function FUNCTION OVERVIEW I/O SIGNAL LIST DETAILS OF INPUT AND OUTPUT SIGNALS PROGRAMMING EXAMPLES HOW TO CHECK FOR ERROR USING THE LEDS...
  • Page 2 Thank you for choosing this Mitsubishi Inverter plug-in option. SAFETY INSTRUCTIONS This instruction manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the equipment, please 1. Electric Shock Prevention read this manual carefully to use the equipment to its optimum.
  • Page 3 2. Injury Prevention 3) Usage WARNING CAUTION • Do not modify the equipment. • Apply only the voltage specified in the instruction manual to • Do not perform parts removal which is not instructed in this each terminal. Otherwise, burst, damage, etc. may occur. •...

  • Page 4: Table Of Contents

     CONTENTS  PRE-OPERATION INSTRUCTIONS Inverter Type ............................1 Unpacking and Product Confirmation .....................2 1.2.1 Packing confirmation ............................2 1.2.2 Parts ................................3 Inverter Option Specifications......................5 CC-Link Version ..........................6 1.4.1 CC-Link Ver. 1.10 ............................6 1.4.2 CC-Link Ver. 2 ..............................6 INSTALLATION Pre-Installation Instructions ......................7 Installation of the Communication Option LED Display Cover .............7 Installation Procedure ........................8...
  • Page 5 4.2.1 Operation mode indication..........................20 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340) ...........21 Operation and Speed Command Source (Pr. 338, Pr. 339, Pr. 550) ..........24 4.3.1 Communication EEPROM write selection (Pr. 342) ..................28 Operation at Communication Error Occurrence................29 4.4.1 Operation selection at communication error occurrence (Pr.
  • Page 6 Details of Remote Input and Output Signals.................54 7.1.1 Output signals (master unit to inverter (FR-A7NC)) ..................54 7.1.2 Input signals (inverter (FR-A7NC) to master unit) ..................56 Details of Remote Resister ......................60 7.2.1 Remote resister (master unit to inverter (FR-A7NC)) ................... 60 7.2.2...
  • Page 7 HOW TO CHECK FOR ERROR USING THE LEDS When One Inverter Is Connected ....................93 When Two or More Inverters Are Connected ................95 Communication Stops During Operation ..................97...

  • Page 8: Pre-Operation Instructions

    PRE-OPERATION INSTRUCTIONS Inverter Type The inverter type, 55K and 75K stated in this Instruction Manual differs according to each -NA, -EC, -CH versions. Refer to the following correspondence table for each inverter type. (Refer to the instruction manual of each inverter for the inverter type.) For example, "for the 75K or more"...

  • Page 9: Unpacking And Product Confirmation

    PRE-OPERATION INSTRUCTIONS Unpacking and Product Confirmation Take the plug-in option out of the package, check the unit name, and confirm that the product is as you ordered and intact. This product is a plug-in option dedicated for the FR-A series. 1.2.1 Packing confirmation Check the enclosed items.

  • Page 10: Parts

    PRE-OPERATION INSTRUCTIONS 1.2.2 Parts Connector for Terminating resistor selection switch (Refer to page communication Select the resistor value of the terminating resistor. Mount the Mounting Front view Rear view accessory hole terminal block to connect to the SD L.RUN network. RD L.ERR (Refer to page 15.) Mounting...
  • Page 11 Turn the power on again or turn the RES signal on. (Refer to page 37, 38.) Lit during normal operation (5V is supplied in the board) (Lit even in the noncommunication status.) Flickers when the master station is CC-Link Ver.1 and the FR-A7NC is CC-Link Ver.2 compatible. (Refer to page 6.) Turns off when no data is transmitted.

  • Page 12: Inverter Option Specifications

    PRE-OPERATION INSTRUCTIONS 1.3 Inverter Option Specifications Type Inverter plug-in option type terminal block connectable Power supply 5VDC supplied from the inverter Number of units 42 units max. (Refer to page 43 for the number of stations occupied), May be used with other connected equipment.

  • Page 13: Cc-Link Version

    In a system that uses the CC-Link Ver. 1.00 and Ver. 1.10 modules and cables together, the maximum overall cable length and inter-station cable length are as specified for CC-Link Ver. 1.00. 1.4.2 CC-Link Ver. 2 The FR-A7NC is compatible with CC- Link Ver.2. Master station Master station When using the CC-Link Ver.2 setting...

  • Page 14: Installation

    INSTALLATION Pre-Installation Instructions Make sure that the input power of the inverter is off. CAUTION With input power on, do not install or remove the plug-in option. Otherwise, the inverter and plug-in option may be damaged. Installation of the Communication Option LED Display Cover Mount the cover for displaying the operation status indication LED for the communication option on the inverter front cover.

  • Page 15: Installation Procedure

    INSTALLATION Installation Procedure 1) Remove the inverter front cover. 2) Mount the hex-head screw for option mounting into the inverter screw hole (on earth plate). (size 5.5mm, tightening torque 0.56N⋅m to 0.75N⋅m) 3) Securely fit the connector of the plug-in Screw hole for option mounting option to the inverter connectoralong the...
  • Page 16 INSTALLATION CAUTION When using this option unit with the FR-A series inverter, mount it in the • Mounting Error "option connector 3 (lowermost connector)" of the inverter. Position Display If it is fitted in option connector 1 or 2, " "...

  • Page 17: Wiring

    Mount the option (FR-A7NC) on the inverter. (3) Connect the PLC CC-Link unit master station and the terminal block supplied with the FR-A7NC with the CC-Link dedicated cable. After connecting the terminal block to the FR-A7NC, fit the front cover.

  • Page 18: Connection Of Several Inverters

    PLC user programs. For the shield cable of the CC-Link dedicated cable, connect it to "SLD" of each unit and always earth (ground) it via "FG". Terminals SLD and FG are connected inside the unit. FR-A7NC Master module FR-A7NC Terminating...
  • Page 19 FR-A7NC connector for communication. When changing the FR- A7NC online, connect a terminating resistor supplied with a PLC master module to the FR-A7NC after modifying it and do not use the internal terminating resistor (SW2 1-OFF, 2-OFF).
  • Page 20 WIRING (2) Maximum number of units connected to one master station (CC-Link Ver.2.00) 42 units (when connections are inverter only) If any other units are included, the number of stations occupied depends on the unit and therefore the following conditions must be satisfied: ⋅...

  • Page 21: Connection Cable

    WIRING 3.3 Connection Cable In the CC-Link system, use CC-Link dedicated cables. If the cable used is other than the CC-Link dedicated cable, the performance of the CC-Link system is not guaranteed. For the specifications of the CC-Link dedicated cable, refer to the website of the CC-Link Partner Association.

  • Page 22: Wiring

    Prevent looseness with a compression tube Note the crimping method. Shielded cable Hold the long side in a longitudinal direction and insert it into the terminal block. Use of a junction terminal block FR-A7NC FR-A7NC Junction terminal block Junction terminal block...
  • Page 23 WIRING (2) Loosen the terminal screw and insert the cable into the terminal. Screw Size Tightening Torque Cable Size Screwdriver Small flat-blade screwdriver ⋅ ⋅ 0.22N m to 0.25N 0.3mm to 0.75mm (Tip thickness: 0.4mm /tip width: 2.5mm) CAUTION Undertightening can cause cable disconnection or malfunction. Overtightening can cause a short circuit or malfunction due to damage to the screw or unit.
  • Page 24 WIRING (4) For wiring of the FR-A700 series 22K* or less and the FR-F700 series 30K* or less, route wires between the control circuit terminal block and front cover. If cables can not be routed between the control circuit terminal block and front cover (approx 7mm), remove a hook of the front cover and use a space become available.
  • Page 25 ⋅ When the hook of the inverter front cover is cut off for wiring, the protective structure (JEM1030) changes to open type (IP00). ⋅ If the terminal block of the FR-A7NC is removed, built-in terminating resistor can not be used. (Refer to page 11.) CAUTION When performing wiring using the space between the inverter front cover and control circuit terminal block, take care not to subject the cable to stress.

  • Page 26: Inverter Setting

    Torque command source selection 0, 1, 3, 4, 5, 6 Parameters which can be displayed when the plug-in option (FR-A7NC) is mounted. The setting is reflected after inverter reset or at the next power-on. "L.ERR" of the LED flickers if the setting is changed. If the inverter is reset, the setting is reflected and LED turns off.

  • Page 27: Operation Mode Setting

    INVERTER SETTING Operation Mode Setting The inverter mounted with a communication option has three operation modes. (1) PU operation [PU]....Controls the inverter from the key of the operation panel (FR-DU07) mounted on the inverter. (2) External operation [EXT] ... Controls the inverter by switching on/off external signals connected to the control circuit terminals of the inverter.

  • Page 28: Operation Mode Switching And Communication Startup Mode (Pr. 79, Pr. 340)

    INVERTER SETTING 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340) (1) Operation mode switching conditions Before switching the operation mode, check that: 1) The inverter is at a stop; 2) Both the STF and STR signals are off; and 3) The Pr.
  • Page 29 INVERTER SETTING Pr. 340 Pr. 79 Operation Mode at Power on or Power Operation Mode Switchover Setting Setting Restoration 0 (initial Switching among the external, PU, and NET operation mode is External operation mode value) enabled PU operation mode PU operation mode fixed Switching between the external and Net operation mode is enabled External operation mode Switching to the PU operation mode is disallowed...
  • Page 30 INVERTER SETTING (3) Operation mode switching method When "0, 1, or 2" is set in Pr. 340 External operation Switching from the PU Switching from the network Press of the Switch to the external operation mode from PU to light Press the network.

  • Page 31: Operation And Speed Command Source (Pr. 338, Pr. 339, Pr. 550)

    INVERTER SETTING Operation and Speed Command Source (Pr. 338, Pr. 339, Pr. 550) (1) Select control source for the network operation mode (Pr. 550) A control location for the network operation mode can be selected from either the inverter RS-485 terminal or communication option.
  • Page 32 INVERTER SETTING (2) Selection of control source for the network operation mode (Pr. 338, Pr. 339) ⋅ As control sources, there are operation command source that controls signals related to the start command and function selection of the inverter and speed command source that controls signals related to frequency setting.
  • Page 33 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET External 0:NET command source External External External FR-HC connection, instantaneous 11 X11 External power failure detection 12 X12 PU operation external interlock External External DC injection brake 13 X13...
  • Page 34 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET External 0:NET command source External External External SQ Sequence start Combined External 60 STF Forward rotation command External 61 STR Reverse rotation command External 62 RES Reset External...

  • Page 35: Communication Eeprom Write Selection (Pr. 342)

    INVERTER SETTING 4.3.1 Communication EEPROM write selection (Pr. 342) When parameter write is performed from the communication option, write to RAM is enabled. Set when frequent parameter changes are necessary. Parameter Initial Setting Name Description Number Value Range Parameter values written by communication are written to the Communication EEPROM write EEPROM and RAM.

  • Page 36: Operation At Communication Error Occurrence

    INVERTER SETTING Operation at Communication Error Occurrence 4.4.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502) You can select operations at communication error occurrences by setting Pr. 500 to Pr. 502 under network operation. (1) The set time from when a communication line error occurrence until communication error output You can set the waiting time from when a communication line error occurs until it is recognized as a communication error.
  • Page 37 INVERTER SETTING (2) Display and erasure of communication error occurrence count The cumulative number of communication error occurrences can be indicated. Write "0" to erase this cumulative count. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Communication error occurrence count display Normal Error...
  • Page 38 INVERTER SETTING (3) Inverter operation selection at communication error occurrence You can select the inverter operation if a communication line error or an error of the option unit itself occurs. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Stop mode selection at 0, 1, 2, 3 communication error...
  • Page 39 INVERTER SETTING Operation at error removal Alarm Definition Pr. 502 Setting Operation Indication Alarm Output Kept stopped E.OP1 or E.OP3 kept lit Kept provided Communication line Restart Normal indication Not provided Continued 0, 3 Communication Kept stopped E. 1 or E.3 kept lit Kept provided option itself 1, 2...

  • Page 40: Alarm And Measures

    INVERTER SETTING 4.4.2 Alarm and measures (1) The inverter operates as follows at alarm occurrences. Operation Mode Alarm Status Network External Location PU Operation Operation Operation Inverter operation Inverter trip Inverter trip Inverter trip Inverter Data communication Continued Continued Continued Inverter trip Inverter operation (depends on...
  • Page 41 INVERTER SETTING (2) Measures at alarm occurrences Alarm Indication Alarm Definition Measures Check the LED status of the option unit and remove the cause of the Communication line E.OP1, E.OP3 alarm. (Refer to page 93 for LED indication status) error Inspect the master.

  • Page 42: Inverter Reset

    INVERTER SETTING Inverter Reset (Refer to page 90 for an inverter reset program example.) (1) Operation conditions of inverter reset Which resetting method is allowed or not allowed in each operation mode is described below. Operation Mode Resetting Method Network External Operation Operation...
  • Page 43 INVERTER SETTING (2) Error reset operation selection at inverter fault When used with the communication option (FR-A7NC), an error reset command* from network can be made invalid in the external operation mode or PU operation mode. Parameter Initial Setting Name...

  • Page 44: Cc-Link Function Setting

    Note that the same station numbers can not be used more than once. (Doing so disables proper communication.) Connection example Inverter No.1 Inverter No.2 Inverter No.3 CC-Link PLC remote I/O station (FR-A7NC) (FR-A7NC) (FR-A7NC) master module (occupies one station) Remote device station Remote device station...

  • Page 45: Baud Rate Setting (Pr. 543)

    INVERTER SETTING 4.6.2 Baud rate setting (Pr. 543) Set the transmission speed. (Refer to the CC-Link master module manual for details of transmission speed.) Parameter Number Name Initial Value Setting Range Transmission Speed 156kbps 625kbps Baud rate selection 2.5Mbps 5Mbps 10Mbps REMARKS "L.ERR"...

  • Page 46: Frequency Command With Sign (Fr-A700 Series Only)

    INVERTER SETTING 4.6.3 Frequency command with sign (FR-A700 series only) By frequency command with sign, start command (forward rotation/reverse rotation) can be inversed to operate. Make selection of sign for the frequency command from RWw1. Parameter Numbers Name Initial Value Setting Range Frequency command sign selection (CC-Link) 0, 1 Speed setting using...

  • Page 47: Function Overview

    Using function blocks, this section explains I/O data transfer to/from an inverter in CC-Link: • Link refresh is continuously executed between the master station and inverter in the CC-Link system at intervals of 1.1ms to 141ms (per station). Inverter PLC CC-Link system master/local unit FR-A7NC 3) CC-Link 1) I/O signals Input dedicated...

  • Page 48: Output From The Inverter To The Network

    FUNCTION OVERVIEW 5.2 Output from the Inverter to the Network Main items which can be output from the inverter to the master and their descriptions are explained below. Item Description Refer to Page The output terminal status of the inverter can be Inverter status monitor monitored.

  • Page 49: Input To The Inverter From The Network

    FUNCTION OVERVIEW 5.3 Input to the Inverter from the Network Main items which can be commanded from the master to the inverter and their descriptions are explained below. Item Description Refer to Page Forward rotation command Give the forward rotation command. Reverse rotation command Give the reverse rotation command.

  • Page 50: O Signal List

    I/O SIGNAL LIST 6.1 CC-Link Extended Setting (Pr. 544) Remote register function can be extended. Parameter Initial Setting Refer Name Description CC-Link Ver. Value Range to page Number Occupies one station (FR-A5NC compatible) Occupies one station Occupies one station double Occupies one station quadrople Occupies one station octuple CC-Link extended...

  • Page 51: I/O Signal List

    I/O SIGNAL LIST 6.2 I/O Signal List 6.2.1 I/O signal when CC-Link Ver.1 one station (FR-A5NC compatible) is occupied (Pr. 544 = 0) (1) Remote I/O (32 points) Refer Refer Device Device Signal Signal Page Page RYn0 Forward rotation command RXn0 Forward running RYn1...
  • Page 52 I/O SIGNAL LIST Refer Refer Device Device Signal Signal Page Page RY(n+1)0 RX(n+1)0   Reserved Reserved RY(n+1)7 RX(n+1)7 RY(n+1)8 Not used RX(n+1)8 Not used   (initial data process completion flag) (initial data process request flag) Not used Not used ...
  • Page 53 I/O SIGNAL LIST (2) Remote resister Description Refer Refer Address Address Description Upper 8 Bits Lower 8 Bits Page Page RWwn Monitor code 2 Monitor code 1 RWrn First monitor value Set frequency (0.01Hz increments) RWwn+1 RWrn+1 Second monitor value / torque command RWwn+2 H00 (arbitrary)

  • Page 54: I/O Signal When Cc-Link Ver.1 One Station Is Occupied (Pr. 544 = 1)

    I/O SIGNAL LIST 6.2.2 I/O signal when CC-Link Ver.1 one station is occupied (Pr. 544 = 1) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 44) (2) Remote resister Description Refer Description Refer Address Address...

  • Page 55: I/O Signal When Cc-Link Ver.2 Double Setting Is Selected (Pr. 544 = 12)

    I/O SIGNAL LIST 6.2.3 I/O signal when CC-Link Ver.2 double setting is selected (Pr. 544 = 12) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 44) (2) Remote resister Description Refer Description Refer Address Address...

  • Page 56: I/O Signal When Cc-Link Ver.2 Quadruple Setting Is Selected (Pr. 544 = 14)

    I/O SIGNAL LIST 6.2.4 I/O signal when CC-Link Ver.2 quadruple setting is selected (Pr. 544 = 14) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 44) (2) Remote resister Description Refer Description Refer Address Address...

  • Page 57: I/O Signal When Cc-Link Ver.2 Octuple Setting Is Selected (Pr. 544 = 18)

    I/O SIGNAL LIST 6.2.5 I/O signal when CC-Link Ver.2 octuple setting is selected (Pr. 544 = 18) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 44) (2) Remote resister Description Refer Description Refer Address Address...
  • Page 58 I/O SIGNAL LIST Description Refer Description Refer Address Address Upper 8 Bits Lower 8 Bits Upper 8 Bits Lower 8 Bits Page Page Link parameter RWwn+10 Instruction code RWrn+10 Reply code expansion setting RWwn+11 Write data RWrn+11 Read data Link parameter RWwn+12 Instruction code RWrn+12...

  • Page 59: I/O Signal When Cc-Link Ver.1 One Station Is Occupied (Pr. 544 = 100) (Fr-A700 Series Na/Ec Version Only)

    I/O SIGNAL LIST 6.2.6 I/O signal when CC-Link Ver.1 one station is occupied (Pr. 544 = 100) (FR-A700 series NA/EC version only) The device points usable in CC-Link communication are 32 input (RX) points, 32 output (RY) points, 4 remote register (RWr) points and 4 remote register (RWw) points. For details of remote I/O and remote resister, refer to the FR-A700 PLC function programming manual.

  • Page 60: I/O Signal When Cc-Link Ver.2 Quadruple Setting Is Selected (Pr. 544 = 114) (Fr-A700 Series Na/Ec Version Only)

    I/O SIGNAL LIST 6.2.8 I/O signal when CC-Link Ver.2 quadruple setting is selected (Pr. 544 = 114) (FR-A700 series NA/EC version only) The device points usable in CC-Link communication are 32 input (RX) points, 32 output (RY) points, 8 remote register (RWr) points and 8 remote register (RWw) points. For details of remote I/O and remote resister, refer to the FR-A700 PLC function programming manual.

  • Page 61: Details Of Input And Output Signals

    For stations 2 and later, the device No. are different. (Refer to the master unit manual for correspondence between the device No. and station number) 7.1 Details of Remote Input and Output Signals 7.1.1 Output signals (master unit to inverter (FR-A7NC)) The output signals from the master unit are indicated. (Input signals to inverter) Device Signal...
  • Page 62 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description When the monitor command (RYC) is switched on, the monitor value is set to Monitor command remote resister RWr0, 1, 4 to 7 and monitoring (RXC) switches on. While the monitor command (RYC) is on, the monitor value is always updated.

  • Page 63: Input Signals (Inverter (Fr-A7Nc) To Master Unit)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.1.2 Input signals (inverter (FR-A7NC) to master unit) The input signals to the master unit are indicated. (Output signals from inverter) Device Signal Description OFF : Other than forward running (during stop or reverse rotation)
  • Page 64 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description Switched on when the set frequency/torque is written to the Frequency setting completion/torque inverter RAM by the frequency/torque setting command (RYD) command setting completion switching on. Frequency/torque setting completion (RXD) is (RAM) switched off when the frequency/torque setting command (RYD) is switched off.
  • Page 65 DETAILS OF INPUT AND OUTPUT SIGNALS <Output Signal List> The following signals can be assigned to RX2 to RX8 and RX9 to RXB using Pr.190 to Pr.196 and Pr.313 to Pr.315 respectively. For details of signal definitions, refer to Pr. 190 to Pr. 196 Output terminal function selection of the inverter manual (applied).
  • Page 66 DETAILS OF INPUT AND OUTPUT SIGNALS Setting Setting Signal Signal Function Function Positive Negative Positive Negative Name Name Logic Logic Logic Logic  During inverter running and start RIO4 Inverter side motor 4 connection RIO4 RUN3 command is on Y85 DC current feeding During deceleration due to Y86 Control circuit capacitor life instantaneous power failure...

  • Page 67: Details Of Remote Resister

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2 Details of Remote Resister 7.2.1 Remote resister (master unit to inverter (FR-A7NC)) Remote resister definition Device No. Signal Description Monitor code1/ Set the monitor code to be referenced. (Refer to page 73) By switching on the RYC...
  • Page 68 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description Set the instruction code for execution of operation mode rewrite, Pr. read/write, error reference, error clear, etc. (Refer to page 68) The corresponding instruction is Link parameter executed by switching on RYF after completion of register setting. RXF switches on RWw2 expansion setting/ on completion of instruction execution.
  • Page 69 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description ⋅ Input a value 100 times greater than the Set the PID set point RWw9 PID set point Setting range : "0 to 100.00%" value to be set PID measured Set the PID measured value For example, input "10000"...
  • Page 70 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description Set the instruction code (refer to page 68) for execution of operation mode rewrite, Pr. read/write, error reference, error clear, etc. The corresponding instruction is RWw10, executed in order of RWw2, 10, 12, 14, 16, 18 by switching on RYF after completion RWw12, Link parameter of register setting, then, RXF switches on on completion of instruction execution of...

  • Page 71: Remote Resister (Inverter (Fr-A7Nc) To Master Unit)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.2 Remote resister (inverter (FR-A7NC) to master unit) (1) Remote resister definition Device Signal Description When RYC is on, the monitor value specified to the lower 8 bits of the monitor code RWr0 First monitor value (RWw0) is set.
  • Page 72 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description RWr4 Third monitor value RWr5 Fourth monitor value When RYC is on, the monitor value specified to the monitor code (RWw ) is stored. indicates a register number (RWw4 to 7) RWr6 Fifth monitor value RWr7...
  • Page 73 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Reply code definition The reply to the instruction execution is set to RWr2, 10, 12, 14, 16, 18. When executing the frequency setting (RYD, RYE) or instruction code execution (RYF), check the reply code (RWr2) in the remote register after execution. Data Item Alarm Definition...
  • Page 74 DETAILS OF INPUT AND OUTPUT SIGNALS When torque command (FR-A700 series only) is given, values of reply code 1 below are changed. (when values other than 14, 18, (118) are set in Pr.544) When Pr.544 = 14, 18, (118), the above 4 bit of the reply code 1 is reply code to the torque command and the lower 4 bit is to the frequency command.

  • Page 75: Instruction Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.3 Instruction codes (1) Instruction code definition Set the instruction code using a remote resister (RWw) (Refer to page 60.) The definition read by the instruction code is stored in the remote resister (RWr). (Refer to page 64.) Read / Code Item...
  • Page 76 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number H0000 to HFFFF: Last two alarm definitions b8 b7 Second alarm in past Latest alarm Read H0074 to Monitor Alarm definition Fourth alarm in past Third alarm in past H0077 Sixth alarm in past Fifth alarm in past...
  • Page 77 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number ⋅ Refer to the instruction code in the parameter list in the inverter H0000 to manual (applied) to read and write as required. Read H0063 Write to Pr. 77 and Pr. 79 is disabled. When setting Pr.100 and later, set link parameter expansion setting.
  • Page 78 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number When setting the bias/gain (instruction codes H5E to H61, HDE to Read H006C HE1) parameters Second parameter changing H00: Frequency H01: Analog value set in parameters Write H00EC H02: Analog value input from the terminal Setting can be made when the link parameter expansion setting = "1, 9".
  • Page 79 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Alarm data Refer to the inverter manual for details of alarm definitions. Data Definition Data Definition Data Definition Alarm definition display example *1, *2 No alarm (instruction code H74) *1, *2 For read data H30A0 b8 b7 1 0 0 0 0 Last alarm...

  • Page 80: Monitor Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.4 Monitor codes Monitor items selected with RWw0, RWw4 to 7 are explained below. Devide the monitor code (RWw0) into half to select the first monitor description (RWr0) from the lower 8 bits and the second monitor description (RWr1) from the upper 8 bits. REMARKS When Pr.
  • Page 81 DETAILS OF INPUT AND OUTPUT SIGNALS Code Second Monitor Description First, Third to Sixth Monitor Description Increments Number (the first 8 bits) (the last 8 bits) Motor excitation current 0.01A / 0.1A  Position pulse *3, *5 Cumulative energization time Orientation status *3, *5 Actual operation time...
  • Page 82 DETAILS OF INPUT AND OUTPUT SIGNALS Even if speed display setting is made valid using Pr. 37 and Pr. 144, the increments remain as frequency (0.01Hz). The setting depends on the inverter capacity. (55K or less/75K or more) The inverter type, 55K and 75K differ according to -NA and -EC versions. (Refer to page 1.) These items can be monitored with the FR-A700 series only.

  • Page 83: Torque Command By Cc-Link Communication (Fr-A700 Series Only)

    Torque command by terminal1 analog input Torque command by parameter setting Setting value of Pr.805 or Pr.806 (-400% to 400%) Torque command by CC-Link communication (FR-A7NC) Torque command Torque setting is enabled with a remote resistor. (-400% to 400%) source selection...
  • Page 84 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Torque command setting method Torque command setting method Pr.804 Setting Pr.544 Setting (Any mothod below can be chosen) 1) Set the torque command in RWwn+1 and turn on either RYD or RYE. 2) Set the instruction code HED and HEE in RWwn+2 and the torque command value in RWwn+3 and turn on RYF.

  • Page 85: Programming Examples

    QY40P Q02CPU Q61P-A1 (X/Y00 to 1F) (X20 to X2F) (Y30 to Y3F) Terminating resistor Station 1 Station 2 Inverter Inverter FR-A7NC FR-A7NC Terminating resistor selection switch is on Pr.542 = 1 Pr.542 = 2 Pr.544 = 0 Pr.544 = 0...
  • Page 86 PROGRAMMING EXAMPLES (2) Network parameter setting of the master station Network parameters are set as below. Setting Setting Item Item Conditions Conditions Start I/O No. 0000 Remote resister (RWr) Data link alarm Input clear Remote resister (RWw) W100 Operation station setting settings Setting at CPU stop Refresh Special relay (SB)
  • Page 87 PROGRAMMING EXAMPLES (3) The relation between the device of the PLC (4) The relation between the device of the PLC CPU and remote I/O (RX, RY) of the remote CPU and remote resister (RWw, RWr) of the device station is as follows: remote device station is as follows: The devices used actually are indicated in The devices used actually are indicated in...

  • Page 88: Program Example For Reading The Inverter Status

    PROGRAMMING EXAMPLES 8.1 Program Example for Reading the Inverter Status The following program turns on Y00 of the output unit when station 1 inverter is running X1 SW80.0 Check the data link status of the station 1 X1002 Turn on the output unit (Y00) Inverter running (RX02) X100F X1000...

  • Page 89: Program Example For Setting The Operation Mode

    PROGRAMMING EXAMPLES 8.2 Program Example for Setting the Operation Mode The following explains a program to write various data to the inverter. station 1 The following explains a program to change the operation mode of inverter to network operation. ⋅ Operation mode writing code number: HFB (hexadecimal) ⋅...

  • Page 90: Program Example For Setting The Operation Commands

    PROGRAMMING EXAMPLES 8.3 Program Example for Setting the Operation Commands The following program gives a forward command and middle speed command to station 1 inverter SW80.0 Check the data link status of the station 1 Y1000 Forward rotation command (RY00) Y1003 Middle speed operation command (RY03) Y100F...

  • Page 91: Program Example For Monitoring The Output Frequency

    PROGRAMMING EXAMPLES 8.4 Program Example for Monitoring the Output Frequency The following explains a program to read monitor functions of the inverter. station 1 The following program reads the output frequency of inverter to D1. Output frequency reading code number: H0001 (hexadecimal) Refer to page 73 for the monitor code numbers.

  • Page 92: Program Example For Parameter Reading

    PROGRAMMING EXAMPLES 8.5 Program Example for Parameter Reading station 1 The following program reads Pr. 7 Acceleration time of inverter to D1. ⋅ Pr. 7 Acceleration time reading code number: H07 (hexadecimal) ⋅ Refer to the inverter manual for details of the parameter codes . ⋅...

  • Page 93: Program Example For Parameter Writing

    PROGRAMMING EXAMPLES 8.6 Program Example for Parameter Writing The following program changes the setting of Pr.7 Acceleration time of station 1 inverter to 3.0s. ⋅ Acceleration time writing code number: H87 (hexadecimal) ⋅ Acceleration time set data: K30 (decimal) For the parameter code numbers, refer to the inverter manual. The reply code at the time of instruction code execution is set to D2.

  • Page 94: Program Example For Setting The Running Frequency

    PROGRAMMING EXAMPLES 8.7 Program Example for Setting the Running Frequency 1) The following program example changes the running frequency of station 1 inverter to 50.00Hz Set frequency: K5000 decimal The reply code at the time of instruction code execution is set to D2. (Refer to page 66) X1 SW80.0 Check the data link status of the station 1 M300...
  • Page 95 PROGRAMMING EXAMPLES 2) To continuously change the running frequency from the PLC When the frequency (speed) setting completion (example: X100D) switches on, make sure that the reply code in the remote register is 0000H and change the set data (example: W101) continuously. 3) Program example for writing data to EEPROM Modify the above program as follows: Frequency setting command Y100D →...

  • Page 96: Program Example For Alarm Definition Reading

    PROGRAMMING EXAMPLES 8.8 Program Example for Alarm Definition Reading The following program reads alarm definitions of station 1 inverter to D1. ⋅ Alarm (error) history No. 1, No. 2 reading code number: H74 (hexadecimal) For the error code numbers, refer to page 72. The reply code at the time of instruction code execution is set to D2.

  • Page 97: Program Example For Resetting The Inverter At Inverter Error

    PROGRAMMING EXAMPLES 8.9 Program Example for Resetting the Inverter at Inverter Error The following is a program example for resetting station 1 inverter. X1 SW80.0 Check the data link status of the station 1 M0 X101A X20 Turn on the error reset request flag (RY1A) Y101A Turn off the error reset request flag (RY1A) when the error status flag (RX1A) is off.

  • Page 98: Instructions

    PROGRAMMING EXAMPLES 8.10 Instructions (1) Programming instructions 1) Since the buffer memory data of the master station is kept transferred (refreshed) to/from the inverters, the TO instruction need not be executed every scan in response to data write or read requests.
  • Page 99 PROGRAMMING EXAMPLES 4) If the PLC (master station) is reset during CC-Link operation or if the PLC is powered off, data communication stops and the inverter is brought to an alarm stop "E.OP1" or "E.OP3". To reset the PLC (master station), switch the operation mode to the external operation once, then reset the PLC.

  • Page 100: How To Check For Error Using The Leds

    The following example indicates the causes of faults which may be judged from the LED status of the communication option (FR-A7NC) of the inverter under the condition that the SW, M/S and PRM LEDs of the master unit are off (the master unit setting is correct) in the system configuration where one inverter is...
  • Page 101 Invalid baud rate or station number setting Baud rate or station number changed during operation. Baud rate or station number changed during operation. Master station is connected to CC-Link ver. 1 and FR-A7NC is connected to CC-Link ver. 2. : On,...

  • Page 102: When Two Or More Inverters Are Connected

    The following example indicates the causes and corrective actions for faults which may be judged from the LED status of the communication option (FR-A7NC) of the inverter under the condition that the SW, M/S and PRM LEDs of the master unit are off (the master unit setting is correct) in the system configuration...
  • Page 103 HOW TO CHECK FOR ERROR USING THE LEDS LED Status Inverters (FR-A7NC) Cause Corrective Action Master Unit Station 1 Station 2 Station 3 Since the L.RUN LEDs of the FR- L.RUN L.RUN L.RUN A7NC on station 2 and later are off, the Referring to the LED "on"...

  • Page 104: Communication Stops During Operation

    Since the L.RUN LEDs of the FR- After correcting the repeated L.RUN L.RUN L.RUN A7NC on station 1 and the FR-A7NC station numbers of the on station 3 are off, the station inverters using Pr. 542 CC- numbers of the inverters set as Link station number, switch L.ERR...
  • Page 105 Since the L.ERR LED of the FR-A7NC L.RUN L.RUN L.RUN Securely connect FG of each on station 2 is on, the FR-A7NC itself inverter and master unit to on station 2 is affected by noise. ground. (L.RUN may go off.) L.ERR...
  • Page 106 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision First edition May, 2004 IB(NA)-0600167ENG-A Additions Feb., 2006 IB(NA)-0600167ENG-B Compatible with the FR-A700 series...

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